C111123313121111121111331333133313331333131233133313332212111113111   >>    C11112331312111112111133133313331333133313123313331333221211111311   <<    C111123313121111121111331333133313331333131233133313332212111113113   >>      C111123313121111121111331333133313331333131233133313332212111113112   >>